Many coastal and river cities are located on the lowland plain areas where are with poor water discharge condition.
我国许多沿江、沿海城市处于地势低平、排水条件很差的平原水网地区。
The comparison experiments were conducted with 11 domestic and overseas alfalfa varieties in the Hebei Lowland Plain Area.
在河北低平原区对引进的11个紫花苜蓿品种进行了三年的比较试验。
The comparison experiments were conducted with 11 domestic and overseas alfalfa varieties in the Hebei Lowland Plain Area.
在河北低平原区对引进的11个紫花苜蓿品种进行了三年的比较试验。
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